{"id":103921,"date":"2020-03-18T18:26:09","date_gmt":"2020-03-19T01:26:09","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/03\/research-team-discovers-path-to-razor-sharp-black-hole-images"},"modified":"2020-03-18T18:26:09","modified_gmt":"2020-03-19T01:26:09","slug":"research-team-discovers-path-to-razor-sharp-black-hole-images","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/03\/research-team-discovers-path-to-razor-sharp-black-hole-images","title":{"rendered":"Research team discovers path to razor-sharp black hole images"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/research-team-discovers-path-to-razor-sharp-black-hole-images3.jpg\"><\/a><\/p>\n<p>Last April, the Event Horizon Telescope (EHT) sparked international excitement when it unveiled the first image of a black hole. Today, a team of researchers have published new calculations that predict a striking and intricate substructure within black hole images from extreme gravitational light bending.<\/p>\n<p>\u201cThe image of a black hole actually contains a nested series of rings,\u201d explains Michael Johnson of the Center for Astrophysics, Harvard and Smithsonian (CfA). \u201cEach successive ring has about the same diameter but becomes increasingly sharper because its light orbited the black hole more times before reaching the observer. With the current EHT image, we\u2019ve caught just a glimpse of the full complexity that should emerge in the image of any black hole.\u201d<\/p>\n<p>Because black holes trap any photons that cross their event horizon, they cast a shadow on their bright surrounding emission from hot infalling gas. A \u201cphoton ring\u201d encircles this shadow, produced from light that is concentrated by the strong gravity near the black hole. This photon ring carries the fingerprint of the black hole\u2014its size and shape encode the mass and rotation or \u201cspin\u201d of the black hole. With the EHT images, black hole researchers have a new tool to study these extraordinary objects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last April, the Event Horizon Telescope (EHT) sparked international excitement when it unveiled the first image of a black hole. Today, a team of researchers have published new calculations that predict a striking and intricate substructure within black hole images from extreme gravitational light bending. \u201cThe image of a black hole actually contains a nested [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-103921","post","type-post","status-publish","format-standard","hentry","category-cosmology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/103921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=103921"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/103921\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=103921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=103921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=103921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}